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Investigations were done on the usefulness of Envirologix CrylAb/CrylAc Plate kits for quantitative analysis of Bt toxin content in transgenic rice grains. Two transgenic rice lines: Kemingdao 1 (KMD1) and Kemingdao 2 (KMD2), transformed with a crylAb gene, and their parental variety, cv. Xiushui 11, were used as positive and negative samples. Results showed that the correlation coefficients as high as 0. 985 - 0. 998, significant at probability level of 0. 05 or 0.01, were obtained for linear regression equations by using the appended calibrators of the kits. No significant differences were detected for values of same rice sample obtained from different trials or by using different lots of the product (kit). The detectable Bt toxin content by this method could be as low as 0.5 ng/g. The Envirologix Kit could be useful for rapid quantitative detection of Bt toxin in rice grains because of its preciseness, simplicity and time saving.
Investigations were done on the usefulness of Envirologix CrylAb / Cry1Ac Plate kits for quantitative analysis of Bt toxin content in transgenic rice grains. Two transgenic rice lines: Kemingdao 1 (KMD1) and Kemingdao 2 (KMD2), transformed with a Cry1Ab gene, and their parental variety, cv. Xiushui 11, were used as positive and negative samples. Results showed that the correlation coefficients as high as 0. 985 - 0.998, significant at probability level of 0.05 or 0.01, were obtained for positive linear regression equations by using the the attached calibrators of the kits. No significant differences were detected for values of the same rice sample obtained from different trials or by using different lots of the product (kit). The detectable Bt toxin content by this method could be as low as 0.5 ng / g. The Envirologix Kit could be useful for rapid quantitative detection of Bt toxin in rice grains because of its preciseness, simplicity and time saving.